Tank manifold



FIG. 1 is a front perspective view of a tank manifold showing my new design;

FIG. 2 is a front view of the tank manifold shown in FIG. 1;

FIG. 3 is a left side end view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a tank manifold, as shown and described. 